That's good news for scientists and NASA, which is looking to land astronauts at the south pole on the near, Earth-facing ...

Imagine a massive high-tech helium balloon that stretches well over an NFL football field in length, has more cargo capacity than an Airbus Beluga XL, and produces multi megawatts of power for nearly ...

Wernher von Braun is carried aloft on the shoulders of Huntsville city officials during the Apollo 11 celebration in ...